Home / 158,834.25-219,191.27-91,766.25

Finding the Fourth Proportional to 158,834.25, 219,191.27 and 91,766.25

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Solution

The fourth proportional to 158,834.25, 219,191.27 and 91,766.25 is: 126,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,834.25 : 219,191.27 = 91,766.25 : x
  2. Step 2: Convert to fraction form
    158,834.25/219,191.27 = 91,766.25/x
  3. Step 3: Cross multiply
    158,834.25x = 219,191.27 × 91,766.25
  4. Step 4: Simplify right side
    158,834.25x = 20,114,360,880.64
  5. Step 5: Solve for x
    x = 20,114,360,880.64/158,834.25
  6. Step 6: Final answer
    x = 126,637.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.